/*
 * Copyright 2021 the original author or authors.
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * https://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.openrewrite.java.cleanup

import org.junit.jupiter.api.Test
import org.openrewrite.Issue
import org.openrewrite.Recipe
import org.openrewrite.java.JavaParser
import org.openrewrite.java.JavaRecipeTest

@Suppress("StatementWithEmptyBody")
@Issue("https://github.com/openrewrite/rewrite/issues/811")
interface NoEqualityInForConditionTest : JavaRecipeTest {
    override val recipe: Recipe
        get() = NoEqualityInForCondition()

    @Test
    fun replaceWithRelationalOperator(jp: JavaParser) = assertChanged(
        jp,
        before = """
            class Test {
                void test() {
                    for (int i = 0; i != 10; i++) {
                    }
                    for (int i = 10; i != 0; i--) {
                    }
                }
            }
        """,
        after = """
            class Test {
                void test() {
                    for (int i = 0; i < 10; i++) {
                    }
                    for (int i = 10; i > 0; i--) {
                    }
                }
            }
        """
    )

    @Suppress("ConstantConditions")
    @Test
    fun allowNullCheck(jp: JavaParser) = assertUnchanged(
        jp,
        before = """
            class Test {
                int[] arr;
                void test() {
                    for (int i = 0; arr[i] == null; i++) {
                    }
                }
            }
        """
    )
}
